<script type="text/javascript">
  var slided = []
  function toggle_slidey(id) {
    table = "description_"+id+"_table"
  	if(slided[id]) {
  		Effect.SlideUp(table)
  	} else {
  		Effect.SlideDown(table)
  	}
  	slided[id] = !slided[id]
  }
</script>